span{
    background-color: #ffff4f;
    font-weight: bolder;
    font-size: 10px;
}
#show{
    width: 300px;
    height: 200px;
    background: #69d2e7;
    font-family: "微软雅黑";
    padding: 20px;
    border:#faa 3px solid ;
}